Company lists · Data refreshed September 2026
Top 25 Plastic seal manufacturers worldwide
RevenueBase identified 1,144 plastic seal manufacturers worldwide as of September 2026 and tracks 16,924 professional contacts across them, including 4,009 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers plastic seal manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for plastic seal manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest plastic seal manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,442 contacts → | ||||
Indirect evidence “Freudenberg Sealing Technologies (FST) is the world’s market and technology leader in sealing technology.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 448 contacts → | ||||
Partial evidence “Roxtec cable and pipe seals protect life and assets.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 269 contacts → | ||||
Indirect evidence “Selig Group is a leading global provider of innovative sealing and venting packaging solutions for food and beverage, healthcare, personal care, chemical and industrial, and wine…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 220 contacts → | ||||
Partial evidence “TydenBrooks proudly celebrates 152 years of innovation and excellence, maintaining its position as the global leader in security seal solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 197 contacts → | ||||
Indirect evidence “Conceituada no setor de embalagens, a World Post é uma Indústria voltada à manufatura de embalagens especiais e envelopes de alta segurança.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 128 contacts → | ||||
Indirect evidence “Transformar plástico em experiências é o que fazemos há 34 anos, com uma equipe de engenheiros, designers e criativos atualizados com o que há de melhor no mercado.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 127 contacts → | ||||
Indirect evidence “Unisto is a leading international provider of security and branding solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 124 contacts → | ||||
Partial evidence “Roger Zatkoff founded Zatkoff Seals & Packings in 1959.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 116 contacts → | ||||
Indirect evidence “For more than 140 years, OTTO has stood for uncompromising quality, the highest level of expertise & innovative solutions for special tasks in industry, trade and craftsmanship –…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 115 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 114 contacts → | ||||
Indirect evidence “Ward/Kraft is a nationally known leader in the print industry with over 50 years of experience.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 113 contacts → | ||||
Indirect evidence “Tri-Sure® is a trusted partner and Global Leader, with over 100 years of experience in closure systems solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 111 contacts → | ||||
Indirect evidence “For over 40 years, the company, founded in 1981 has built and developed strong expertise in the fields of sealing and sliding through diversification, which is now its strength.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 110 contacts → | ||||
Indirect evidence “Mega Fortris Berhad 199801004408 (460535-H) started the business in 1996.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 106 contacts → | ||||
Strong evidence “For over 35 years, Hi-Tech Seals has been recognized as a leader in the distribution and manufacturing of industrial seals, gaskets, metal components, elastomer and plastic…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 102 contacts → | ||||
Indirect evidence “A ELC se destaca como uma empresa de inovação, nos mercados de Dispositivos Indicadores de Violação (DIVs)- lacres de segurança, envelopes de segurança, malotes de segurança.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 92 contacts → | ||||
Indirect evidence “KLINGER is the world's leading sealing solutions and services provider.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 90 contacts → | ||||
Indirect evidence “Ever since it's establishment in 1856, Lagersmit has met the needs of many sectors that call for absolute reliability.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 83 contacts → | ||||
Indirect evidence “Con la finalidad de satisfacer las necesidades del Sellado de Fluidos del Sector Minero, Pesquero e Industrial, en Agosto de 1994 se funda JOMAR LTDA.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 76 contacts → | ||||
Indirect evidence “Metalacre Industria E Comercio De Lacres | Desde 1983 Aumente o Controle de Perdas e Prevenção do seu negócio Somos fabricante e desenvolvemos lacres de segurança customizado para…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 73 contacts → | ||||
Partial evidence “A Seal Lacres é uma empresa totalmente Brasileira, que desde 2003 se dedica à transformação de metais e plásticos, em lacres e identificadores, os quais são utilizados em diversos…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 72 contacts → | ||||
Partial evidence “Trim-Lok is a respected leader in the manufacturing of American-made, high-quality, and competitively priced trims and seals.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 70 contacts → | ||||
Indirect evidence “Founded in 1977, Martin Fluid Power includes five distribution locations in the US, plus locations in England and Taiwan.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 66 contacts → | ||||
Partial evidence “For over 40 years, ATP has been committed to researching customised solutions for sealing and plastic processing systems that offer cutting-edge, totally customisable products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 66 contacts → | ||||
Strong evidence “State Seal Company is a manufacturer and distributor of a comprehensive range of both standard and custom designed seals, gaskets and converted products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: plastic seal manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names plastic seal manufacturers.
- Partial evidence
- Its own public description names part of plastic seal manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name plastic seal manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,144 plastic seal manufacturers worldwide
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Plastic seal manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among plastic seal manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for plastic seal manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “plastic seal manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names plastic seal manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among plastic seal manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 4,009 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Plastic seal manufacturers by location
7 lists · largest firstEvery Plastic seal manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Plastic seal manufacturers based in the United States147
- Plastic seal manufacturers based in Brazil145
- Plastic seal manufacturers based in India100
- Plastic seal manufacturers based in Germany90
- Plastic seal manufacturers based in Italy50
- Plastic seal manufacturers based in the United Kingdom49
- Plastic seal manufacturers based in France29
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names plastic seal manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many plastic seal manufacturers are there worldwide?
RevenueBase identified 1,144 plastic seal manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Freudenberg Sealing Technologies, headquartered in Weinheim, tops this list with the largest team on record.
Which country has the most plastic seal manufacturers?
The United States leads with 147 companies, followed by Brazil (145) and India (100). Every plastic seal manufacturers list by country and city is linked on this page.
Which city has the most plastic seal manufacturers?
Sao Paulo leads with 30 headquartered companies, followed by Mumbai (16) and Istanbul (12).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,009 verified decision-maker contacts tracked across these 1,144 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.